/* ============================================================
   KAIRI UIBO — Portfolio Template
   Modern, elegant, responsive grid layout
   ============================================================ */

/* --- Fonts ------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&display=swap');

/* --- Reset ------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* --- Custom Properties ------------------------------------- */
:root {
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Sora', system-ui, sans-serif;

    --color-text: #ffffff;
    --color-text-muted: rgba(255, 255, 255, 0.6);
    --color-overlay: rgba(0, 0, 0, 0.45);
    --color-overlay-hover: rgba(0, 0, 0, 0.3);
    --color-border: rgba(255, 255, 255, 0.18);
    --color-border-hover: rgba(255, 255, 255, 0.4);
    --color-glass: rgba(255, 255, 255, 0.06);
    --color-glass-strong: rgba(255, 255, 255, 0.1);

    --max-width: 1200px;
    --grid-gap: 1.75rem;
    --card-radius: 16px;
    --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* --- Animated Gradient Background -------------------------- */
@keyframes gradientShift {
    0%   { background-position: 0% 50%; }
    25%  { background-position: 50% 100%; }
    50%  { background-position: 100% 50%; }
    75%  { background-position: 50% 0%; }
    100% { background-position: 0% 50%; }
}

html {
    scroll-behavior: smooth;
}

body.kairi-body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;

    /* Sanfte, fließende Farbanimation */
    background: linear-gradient(
        135deg,
        #0f0c29,
        #1a1a3e,
        #24243e,
        #1b2838,
        #0f2027,
        #203a43,
        #2c5364,
        #1a1a3e,
        #0f0c29
    );
    background-size: 400% 400%;
    animation: gradientShift 20s ease infinite;
}

/* --- Joomla-Defaults ausblenden ---------------------------- */
body.kairi-body .container-header,
body.kairi-body .container-nav,
body.kairi-body header.header,
body.kairi-body nav.container-nav,
body.kairi-body .mod-breadcrumbs,
body.kairi-body .page-header,
body.kairi-body .article-info,
body.kairi-body .com-content-article__aside,
body.kairi-body .powered-by,
body.kairi-body #back-top {
    display: none !important;
}

/* ============================================================
   LAYOUT — Zentrierter Container
   ============================================================ */
.kairi-wrap {
    width: min(calc(100% - 3rem), var(--max-width));
    margin-inline: auto;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.kairi-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background var(--transition), backdrop-filter var(--transition);
}

.kairi-nav.is-scrolled {
    background: rgba(15, 12, 41, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.kairi-nav__name {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: opacity var(--transition);
}

.kairi-nav__name:hover {
    opacity: 0.7;
}

.kairi-nav__links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.kairi-nav__link {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition);
}

.kairi-nav__link:hover {
    color: var(--color-text);
}

/* ============================================================
   HOMEPAGE — HERO (Titel zentriert)
   ============================================================ */
.kairi-hero {
    width: min(calc(100% - 3rem), var(--max-width));
    margin-inline: auto;
    padding: 10rem 0 4rem;
    text-align: center;
}

.kairi-hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 8vw, 5.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.kairi-hero__subtitle {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 2vw, 1.15rem);
    font-weight: 300;
    color: var(--color-text-muted);
    letter-spacing: 0.04em;
    margin-bottom: 1.5rem;
}

.kairi-hero__statement {
    max-width: 600px;
    margin: 0 auto 2rem;
    font-size: 1rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 300;
}

.kairi-hero__vita-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
    border: 1px solid var(--color-border);
    border-radius: 50px;
    background: var(--color-glass);
    color: var(--color-text);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: background var(--transition), border-color var(--transition);
}

.kairi-hero__vita-btn:hover {
    background: var(--color-glass-strong);
    border-color: var(--color-border-hover);
}

.kairi-hero__vita-btn svg {
    width: 14px;
    height: 14px;
    transition: transform 0.25s ease;
}

.kairi-hero__vita-btn:hover svg {
    transform: translateX(3px);
}

/* ============================================================
   HOMEPAGE — PROJEKT-GRID (max. 3 pro Zeile, quadratisch)
   ============================================================ */
.kairi-main {
    width: min(calc(100% - 3rem), var(--max-width));
    margin-inline: auto;
    padding-bottom: 5rem;
}

.kairi-grid-label {
    text-align: center;
    margin-bottom: 2.5rem;
}

.kairi-grid-label__text {
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    position: relative;
    display: inline-block;
}

.kairi-grid-label__text::before,
.kairi-grid-label__text::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40px;
    height: 1px;
    background: var(--color-border);
}

.kairi-grid-label__text::before {
    right: calc(100% + 1rem);
}

.kairi-grid-label__text::after {
    left: calc(100% + 1rem);
}

/* Grid: max. 3 Spalten, gleich große quadratische Container */
.kairi-project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap);
}

/* --- Einzelne Projekt-Karte -------------------------------- */
.kairi-card {
    position: relative;
    border-radius: var(--card-radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    aspect-ratio: 1 / 1;
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

/* Hover: leichte Vergrößerung */
.kairi-card:hover {
    transform: scale(1.04);
    border-color: var(--color-border-hover);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(100, 100, 255, 0.06);
}

.kairi-card__link {
    display: block;
    width: 100%;
    height: 100%;
    color: inherit;
    text-decoration: none;
    outline: none;
}

/* Hintergrundbild */
.kairi-card__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

.kairi-card:hover .kairi-card__image {
    transform: scale(1.08);
}

/* Halbtransparenter schwarzer Overlay */
.kairi-card__overlay {
    position: absolute;
    inset: 0;
    background: var(--color-overlay);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
    transition: background var(--transition);
}

.kairi-card:hover .kairi-card__overlay {
    background: var(--color-overlay-hover);
}

/* Projektname auf dem Overlay */
.kairi-card__title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.3;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    transform: translateY(4px);
    opacity: 0.9;
    transition: transform var(--transition), opacity var(--transition);
}

.kairi-card:hover .kairi-card__title {
    transform: translateY(0);
    opacity: 1;
}

/* Platzhalter wenn kein Bild vorhanden */
.kairi-card__placeholder {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #1a1a3e, #2c5364);
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: rgba(255, 255, 255, 0.2);
}

/* ============================================================
   HOMEPAGE — KONTAKT-BEREICH
   ============================================================ */
.kairi-contact {
    margin-top: 3rem;
    padding: 2rem 0;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.kairi-contact__label {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.kairi-contact__content a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 400;
    font-size: 1rem;
    transition: opacity var(--transition);
}

.kairi-contact__content a:hover {
    opacity: 0.7;
}

/* ============================================================
   FOOTER
   ============================================================ */
.kairi-footer {
    width: min(calc(100% - 3rem), var(--max-width));
    margin-inline: auto;
    padding: 2rem 0 3rem;
    text-align: center;
}

/* ============================================================
   SUBPAGES — HEADER
   ============================================================ */
.kairi-subheader {
    width: min(calc(100% - 3rem), var(--max-width));
    margin-inline: auto;
    padding: 2.5rem 0 1.5rem;
}

.kairi-subheader__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.kairi-subheader__home-link {
    color: var(--color-text);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 500;
    transition: opacity var(--transition);
}

.kairi-subheader__home-link:hover {
    opacity: 0.7;
}

.kairi-subheader__vita-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color var(--transition);
}

.kairi-subheader__vita-link:hover {
    color: var(--color-text);
}

/* ============================================================
   ARTICLES — PROJEKTSEITE & VITA
   ============================================================ */
.kairi-main--subpage {
    width: min(calc(100% - 3rem), var(--max-width));
    margin-inline: auto;
    padding-top: 3.5rem;
    padding-bottom: 4rem;
}

.kairi-article {
    max-width: 900px;
    margin: 0 auto;
}

.kairi-article--vita {
    max-width: 720px;
}

.kairi-article__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.01em;
    margin-bottom: 2rem;
    color: var(--color-text);
}

.kairi-article__content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 300;
}

.kairi-article__content p {
    margin-bottom: 1.5rem;
}

.kairi-article__content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--card-radius);
    margin: 1.5rem 0;
}

.kairi-article__back {
    margin-top: 3.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.kairi-article__back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    transition: color var(--transition), gap var(--transition);
}

.kairi-article__back-link:hover {
    color: var(--color-text);
    gap: 0.8rem;
}

/* ============================================================
   GALERIE (Projektseite — Bilder anzeigen)
   ============================================================ */
.kairi-gallery {
    margin-top: 3rem;
}

.kairi-gallery__label {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    display: block;
}

.kairi-gallery__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.kairi-gallery__item {
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4 / 3;
    border-radius: var(--card-radius);
    border: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.03);
    padding: 0;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.kairi-gallery__item:hover {
    transform: scale(1.03);
    border-color: var(--color-border-hover);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.kairi-gallery__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

.kairi-gallery__item:hover .kairi-gallery__image {
    transform: scale(1.06);
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.kairi-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(5, 5, 15, 0.97);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.kairi-lightbox[hidden] {
    display: flex;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.kairi-lightbox.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.kairi-lightbox__content {
    width: min(92vw, 1400px);
    height: min(88vh, 940px);
    display: grid;
    place-items: center;
}

.kairi-lightbox__image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
    animation: lbReveal 0.35s ease;
}

@keyframes lbReveal {
    from { opacity: 0; transform: scale(0.95); }
    to   { opacity: 1; transform: scale(1); }
}

.kairi-lightbox__close,
.kairi-lightbox__prev,
.kairi-lightbox__next {
    position: absolute;
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    font-size: 1.25rem;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    padding: 0;
    transition: color 0.25s ease, border-color 0.25s ease;
}

.kairi-lightbox__close:hover,
.kairi-lightbox__prev:hover,
.kairi-lightbox__next:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}

.kairi-lightbox__close {
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.4rem;
}

.kairi-lightbox__prev {
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
}

.kairi-lightbox__next {
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
}

.kairi-lightbox__counter {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.35);
    font-family: var(--font-body);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    font-weight: 400;
}

/* ============================================================
   FOCUS STYLES
   ============================================================ */
.kairi-hero__vita-btn:focus-visible,
.kairi-card__link:focus-visible,
.kairi-gallery__item:focus-visible,
.kairi-article__back-link:focus-visible,
.kairi-subheader__home-link:focus-visible,
.kairi-subheader__vita-link:focus-visible,
.kairi-nav__link:focus-visible,
.kairi-nav__name:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 4px;
}

.kairi-lightbox__close:focus-visible,
.kairi-lightbox__prev:focus-visible,
.kairi-lightbox__next:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

/* ============================================================
   ENTRANCE ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.kairi-nav {
    animation: fadeIn 0.6s ease 0.1s both;
}

.kairi-hero {
    animation: fadeUp 0.7s ease 0.15s both;
}

.kairi-card {
    animation: fadeUp 0.6s ease both;
}

.kairi-card:nth-child(1) { animation-delay: 0.2s; }
.kairi-card:nth-child(2) { animation-delay: 0.3s; }
.kairi-card:nth-child(3) { animation-delay: 0.4s; }
.kairi-card:nth-child(4) { animation-delay: 0.45s; }
.kairi-card:nth-child(5) { animation-delay: 0.5s; }
.kairi-card:nth-child(6) { animation-delay: 0.55s; }

.kairi-contact {
    animation: fadeUp 0.5s ease 0.6s both;
}

/* ============================================================
   RESPONSIVE — Tablet (<=1024px) → 2 Spalten
   ============================================================ */
@media (max-width: 1024px) {
    .kairi-project-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .kairi-hero {
        padding: 8rem 0 3rem;
    }

    .kairi-gallery__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================================
   RESPONSIVE — Mobil (<=600px) → 1 Spalte
   ============================================================ */
@media (max-width: 600px) {
    .kairi-project-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .kairi-hero {
        padding: 6.5rem 0 2.5rem;
    }

    .kairi-hero__title {
        font-size: clamp(2rem, 10vw, 3rem);
    }

    .kairi-nav {
        padding: 1rem 1.25rem;
    }

    .kairi-nav__links {
        gap: 1.25rem;
    }

    .kairi-contact {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .kairi-gallery__grid {
        grid-template-columns: 1fr;
    }

    .kairi-lightbox__prev { left: 0.5rem; }
    .kairi-lightbox__next { right: 0.5rem; }
    .kairi-lightbox__close { top: 0.75rem; right: 0.75rem; }

    .kairi-subheader__inner {
        flex-wrap: wrap;
    }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    body.kairi-body {
        animation: none;
    }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
    body.kairi-body {
        background: white;
        color: black;
        animation: none;
    }

    .kairi-nav,
    .kairi-lightbox,
    .kairi-contact {
        display: none !important;
    }

    .kairi-card {
        border: 1px solid #ccc;
        break-inside: avoid;
    }

    .kairi-card__overlay {
        background: rgba(0, 0, 0, 0.15);
    }

    .kairi-card__title {
        color: #000;
        text-shadow: none;
    }
}